ISL9502CRZ Intersil, ISL9502CRZ Datasheet - Page 8

• Manufacturer Part Number: ISL9502CRZ
• Description: IC CTRLR PWM 2PHASE GPU 48-QFN
• Manufacturer: Intersil

Specifications of ISL9502CRZ

• Pwm Type: Controller
• Number Of Outputs: 1
• Frequency - Max: 500kHz
• Voltage - Supply: 4.75 V ~ 5.25 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -10°C ~ 100°C
• Package / Case: 48-VQFN
• Frequency-max: 500kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Duty Cycle: -

Typical Performance Curves
Typical Performance Curves
FIGURE 6. SOFT-START WAVEFORM SHOWING SLEW RATE
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
FIGURE 2. 2-PHASE CCM EFFICIENCY, VOUT = 1.15V
FIGURE 4. 1-PHASE CCM EFFICIENCY, VOUT = 1.15V
0
0
0
0
V
V
IN
IN
= 8.0V
= 8.0V
2
5
OF 2.5mV/µs AT VSEL = 1V, I
10
VR_ON
4
V
V
V
IN
V
IN
IN
IN
= 19.0V
= 12.6V
15
= 19.0V
6
= 12.6V
20
8
V
I
I
8
OUT
OUT
SOFT
25
10
(A)
(A)
30
12
LOAD
300kHz, DCR Sense, 2xIRF7821/2xIRF7832 Per Phase
35
14
C
V
SOFT
OUT
= 10A
40
16
= 15nF
45
18
50
20
ISL9502
FIGURE 7. SOFT-START WAVEFORM SHOWING SLEW RATE
1.16
1.14
1.12
1.10
1.08
1.06
1.04
1.02
1.16
1.15
1.14
1.13
1.12
1.10
1.11
FIGURE 3. 2-PHASE CCM LOAD LINE, VOUT = 1.15V
FIGURE 5. 1-PHASE CCM LOAD LINE, VOUT = 1.15V
0
0
V
IN
= 12.6V
V
2
V
IN
OF 2.5mV/µs AT VSEL = 1.4375V, I
IN
= 19.0V
= 8.0V
10
VR_ON
4
V
6
IN
V
= 12.6V
IN
20
8
= 19.0V
V
I
I
SOFT
OUT
OUT
10
(A)
(A)
V
30
IN
12
= 8.0V
14
C
SOFT
LOAD
V
OUT
40
16
= 15nF
July 17, 2006
= 10A
18
FN9275.1
50
20